# Copyright (c) 2021-2025. caoccao.com Sam Cao
# All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

if(!$ENV{JAVA_HOME})
    message(FATAL_ERROR "JAVA_HOME is not found. Please make sure you have JDK 8 or 11 installed properly.")
endif()

if(DEFINED V8_DIR AND DEFINED NODE_DIR)
    message(FATAL_ERROR "V8_DIR and NODE_DIR cannot be both defined.")
endif()

if((NOT DEFINED V8_DIR) AND (NOT DEFINED NODE_DIR))
    message(FATAL_ERROR "Either V8_DIR or NODE_DIR needs to be defined.")
endif()
